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Cryptortoise

クリプトータス

Cryptortoise

Plug in your FIDO2 key to unlock everything.
Pull it out to lock everything.

Hardware-key-based directory encryption for Linux. Zero passwords. Ever again.

⬡

No Passwords

Your FIDO2 hardware key derives encryption keys on demand. Nothing to remember. Nothing to leak.

⟐

Magnetic Snap

Magnetic USB-C connector. Snap on to unlock. Pull off to lock. Walk away and your data seals itself.

◈

One Key. Done.

A single hardware key replaces all your passwords. Pre-flashed and ready to plug in.

仕組み

How It Works

KEY PLUGGED IN
USB detected
▼
FIDO2 HMAC key derived
▼
gocryptfs mounts vaults
▼
Symlinks restored
▼
UNLOCKED
KEY REMOVED
USB removal detected
▼
Keys wiped from memory
▼
gocryptfs unmounts
▼
Symlinks removed
▼
LOCKED

機能

Features

🔒
Directory Encryption Encrypt any directory with hardware-derived keys via gocryptfs
🌐
Browser Protection Encrypt Brave, Firefox, and LibreWolf profiles transparently
⚙
App Config Encryption Protect Discord, Steam, and other app configs with one command
🔑
Credential Vault Store passwords encrypted at rest with your FIDO2 key
🛡
Software Passkeys Track and manage FIDO2 passkeys across sites
⚡
System Tray Daemon Auto-locks on key removal, auto-unlocks on insertion
📁
File Manager Integration Right-click encrypt/decrypt in Nautilus, Nemo, Caja, Dolphin, Thunar
🧩
Browser Extension Autofill credentials and manage passkeys in Brave/Firefox
🚪
PAM Integration Unlock encrypted vaults automatically at login
⚡
Setup Wizard Guided first-run configuration with GTK4 UI

対応アプリ

Supported Apps

Brave
Browser
Full profile — history, passwords, cookies, extensions
Firefox
Browser
Full profile — logins, bookmarks, session data
LibreWolf
Browser
Full profile — privacy-first Firefox fork
Discord
Chat
Config, tokens, cache
Steam
Gaming
Config, saved credentials, VDF files
GNOME Keyring
System
Stored passwords and secrets
Proton Mail
Email
IMAP/SMTP credentials, config
Any Directory
Custom
cryptortoise encrypt <path> works on anything

手に入れる

Get Yours

CRYPTORTOISE KEY
$30
Pre-flashed. Tested. Plug in and go.
  • FIDO2 hardware key with firmware pre-loaded
  • Magnetic USB-C snap connector — just snap on to unlock, pull off to lock
  • 540° rotating swivel, 480Mbps data, 240W passthrough
  • Tested & verified before shipping
  • Setup support from the developer
Buy on Ko-fi →

Ships worldwide. No account required.

1
Buy the key Pre-flashed, ready to use out of the box
2
Install the software sudo apt install cryptortoise or: dnf install cryptortoise • yay -S cryptortoise • manual install
3
Plug in & run setup cryptortoise setup

Built by anarchygames.org

One-person indie dev shop building free, open-source tools and games.
No tracking. No telemetry. No accounts. Just software that works for you.

Advanced: Build your own key

Cryptortoise is open source. If you want to source and flash your own hardware:

  1. Get a Raspberry Pi Pico (~$5)
  2. Flash Pico FIDO firmware (UF2)
  3. Install Cryptortoise from GitHub

Any FIDO2 key with hmac-secret support works (YubiKey 5, SoloKeys, Nitrokey).